The FOXBORO P0916RH (FBM219) is a group-isolated discrete input/output (I/O) interface module for the Foxboro I/A Series distributed control system. It provides a high-density I/O solution with 24 discrete input channels and 8 discrete output channels, supporting a wide range of industrial signal voltages. The module features group galvanic isolation to protect against electrical noise, ground loops, and high-voltage transients, ensuring stable and accurate signal acquisition and control in harsh industrial environments